28660755

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 47617344

約数和(自身を除く): 18956589

約数列:

[1, 3, 5, 15, 37, 111, 113, 185, 339, 457, 555, 565, 1371, 1695, 2285, 4181, 6855, 12543, 16909, 20905, 50727, 51641, 62715, 84545, 154923, 253635, 258205, 774615, 1910717, 5732151, 9553585, 28660755]

約数ペア:

[(1, 28660755), (3, 9553585), (5, 5732151), (15, 1910717), (37, 774615), (111, 258205), (113, 253635), (185, 154923), (339, 84545), (457, 62715), (555, 51641), (565, 50727), (1371, 20905), (1695, 16909), (2285, 12543), (4181, 6855)]